package com.zzyl.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.json.JSONUtil;
import com.aliyun.iot20180120.Client;
import com.aliyun.iot20180120.models.*;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.google.common.collect.Lists;
import com.zzyl.base.PageResponse;
import com.zzyl.base.ResponseResult;
import com.zzyl.constant.CacheConstants;
import com.zzyl.dto.DeviceDto;
import com.zzyl.dto.DevicePageQueryDto;
import com.zzyl.entity.Device;
import com.zzyl.enums.BasicEnum;
import com.zzyl.enums.DeviceLocationTypeEnum;
import com.zzyl.enums.DevicePhysicalLocationTypeEnum;
import com.zzyl.exception.BaseException;
import com.zzyl.mapper.DeviceMapper;
import com.zzyl.properties.AliIoTConfigProperties;
import com.zzyl.service.DeviceService;
import com.zzyl.utils.ObjectUtil;
import com.zzyl.vo.DeviceVo;
import com.zzyl.vo.ProductVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;

@Service
public class DeviceServiceImpl implements DeviceService {

    @Autowired
    private Client client;

    @Autowired
    private AliIoTConfigProperties aliIoTConfigProperties;

    @Autowired
    private RedisTemplate<String,String> redisTemplate;

    @Autowired
    private DeviceMapper deviceMapper;

    /**
     * 从物联网平台同步产品列表
     * @return
     * @throws Exception
     */
    @Override
    public void syncProductList() {
        //封装请求对象
        QueryProductListRequest request = new QueryProductListRequest();
        request.setPageSize(200);
        request.setCurrentPage(1);
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());

        //调用阿里云的接口，查询产品
        QueryProductListResponse response = null;
        try {
            response = client.queryProductList(request);
        } catch (Exception e) {
            throw new BaseException(BasicEnum.IOT_LIST_PRODUCT_ERROR);
        }

        if (!response.getBody().getSuccess()) {
            throw new RuntimeException(response.getBody().getErrorMessage());
        }

        //解析阿里云iot接口的产品列表数据
        List<ProductVo> productVoList = response.getBody().getData().getList().getProductInfo()
                .stream().map(p -> BeanUtil.toBean(p, ProductVo.class))
                .collect(Collectors.toList());

        //产品列表数据缓存redis
        redisTemplate.opsForValue().set(CacheConstants.ALL_PRODUCT_KEY, JSONUtil.toJsonStr(productVoList));
    }

    @Override
    public List<ProductVo> allProduct() {
        //从换从中获取产品列表数据
        String productListJsonStr = redisTemplate.opsForValue().get(CacheConstants.ALL_PRODUCT_KEY);

        //如果为空，返回空集合
        if (ObjectUtil.isEmpty(productListJsonStr)) {
            return Collections.emptyList();
        }
        //转换数据，并返回
        return JSONUtil.toList(productListJsonStr, ProductVo.class);
    }


    /**
     * 注册设备
     *
     * @param deviceDto 设备注册请求模型
     * @return 响应结果，返回成功或失败
     */
    @Override
    public void registerDevice(DeviceDto deviceDto) {
        //检验设备名称是否重复
        Long count = deviceMapper.countByDeviceName(deviceDto.getDeviceName());
        if (count > 0) {
            throw new BaseException(BasicEnum.DEVICE_NAME_EXIST);
        }

        //iot注册设备
        RegisterDeviceRequest registerDeviceRequest = deviceDto.getRegisterDeviceRequest();
        registerDeviceRequest.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());
        RegisterDeviceResponse response = null;
        try {
            response = client.registerDevice(registerDeviceRequest);
        } catch (Exception e) {
            throw new BaseException(BasicEnum.IOT_REGISTER_DEVICE_ERROR);
        }

        //接口是否调通
        if (!response.getBody().getSuccess()) {
            throw new RuntimeException(response.getBody().getErrorMessage());
        }

        //根据productKey调用阿里云查询产品信息，获取productName
        QueryProductRequest queryProductRequest = new QueryProductRequest();
        queryProductRequest.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());
        queryProductRequest.setProductKey(deviceDto.getProductKey());
        QueryProductResponse queryProductResponse = null;
        try {
            queryProductResponse = client.queryProduct(queryProductRequest);
        } catch (Exception e) {
            throw new BaseException(BasicEnum.IOT_QUERY_PRODUCT_ERROR);
        }

        //接口是否调通
        if (!queryProductResponse.getBody().getSuccess()) {
            throw new RuntimeException(response.getBody().getErrorMessage());
        }

        //保存设备
        Device device = BeanUtil.toBean(deviceDto, Device.class);
        device.setIotId(response.getBody().getData().getIotId());
        device.setProductName(queryProductResponse.getBody().getData().getProductName());
        //如果设备绑定的位置是随身设备，则把物理绑定位置设置为-1
        if (device.getLocationType().equals(DeviceLocationTypeEnum.PORTABLE_DEVICE.getOrdinal())) {
            device.setPhysicalLocationType(DevicePhysicalLocationTypeEnum.ELDER.getOrdinal());
        }
        deviceMapper.insertSelective(device);
    }

    /**
     * 分页查询
     * @param devicePageQueryDto
     * @return
     */

    @Override
    public PageResponse<DeviceVo> pageQueryDevice(DevicePageQueryDto devicePageQueryDto) {
        PageHelper.startPage(devicePageQueryDto.getPageNum(), devicePageQueryDto.getPageSize());
        Page<DeviceVo> deviceVos = deviceMapper.selectByPage(devicePageQueryDto);
        return PageResponse.of(deviceVos,DeviceVo.class);
    }

    /**
     * 查询所有产品列表
     * @param request
     * @return
     */
    @Override
    public DeviceVo queryDeviceDetail(QueryDeviceDetailRequest request) {
        //拿到IotId
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());

        //调用阿里接口查询设备详情，查询设备详情只需要IotId
        QueryDeviceDetailResponse response = null;
        try {
            response = client.queryDeviceDetail(request);
        } catch (Exception e) {
            throw new BaseException(BasicEnum.IOT_QUERY_DEVICE_ERROR);
        }
        //判断接口是否调通
        if(!response.getBody().getSuccess()){
            throw new RuntimeException(response.getBody().getErrorMessage());
        }        //如果查询不到，做一个判断，这个判断基本上固定的

        //调用数据库数据
        DeviceVo deviceVo = deviceMapper.selectByIotId(request.getIotId());

        //合并两项数据并返回
        BeanUtil.copyProperties(response.getBody().getData(),deviceVo);
        return deviceVo;
    }

    /**
     * 查看指定产品的已发布物模型中的功能定义详情
     *
     * @param request 查询已发布物模型请求模型
     * @return 已发布物模型中的功能定义详情
     */
    @Override
    public ResponseResult<QueryThingModelPublishedResponseBody.QueryThingModelPublishedResponseBodyData> queryThingModelPublished(QueryThingModelPublishedRequest request) {
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());
        QueryThingModelPublishedResponse response = null;
        try {
            response = client.queryThingModelPublished(request);
        } catch (Exception e) {
            throw new BaseException(BasicEnum.IOT_QUERY_THING_MODEL_PUBLISHED_ERROR);
        }
        if (!response.getBody().getSuccess()) {
            throw new RuntimeException(response.getBody().getErrorMessage());
        }
        return ResponseResult.success(response.getBody().getData());
    }

    /**
     * 查询指定设备的物模型运行状态
     * @param request 查询设备的物模型运行状态请求模型
     * @return 物模型运行状态
     */
    @Override
    public ResponseResult<QueryDevicePropertyStatusResponseBody.QueryDevicePropertyStatusResponseBodyData> queryDevicePropertyStatus(QueryDevicePropertyStatusRequest request) {
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());
        QueryDevicePropertyStatusResponse response = null;
        try {
            response = client.queryDevicePropertyStatus(request);
        } catch (Exception e) {
            throw new BaseException(BasicEnum.IOT_QUERY_DEVICE_PROPERTY_STATUS_ERROR);
        }

        if (!response.getBody().getSuccess()) {
            throw new RuntimeException(response.getBody().getErrorMessage());
        }
        return ResponseResult.success(response.getBody().getData());
    }

    /**
     * 更新设备
     *
     * @param deviceDto 更新设备请求模型
     */
    @Override
    public void updateDevice(DeviceDto deviceDto) {
        //检验数据库是否存在设备
        Device dbDevice = deviceMapper.selectByPrimaryKey(deviceDto.getId());
        if (ObjectUtil.isEmpty(dbDevice)) {
            throw new BaseException(BasicEnum.DEVICE_NOT_EXIST);
        }

        // 保存位置
        Device device = BeanUtil.toBean(deviceDto, Device.class);
        //如果是随身设备，物理位置设为-1
        if (device.getLocationType().equals(DeviceLocationTypeEnum.PORTABLE_DEVICE.getOrdinal())) {
            device.setPhysicalLocationType(DevicePhysicalLocationTypeEnum.ELDER.getOrdinal());
        }

        //更新数据库中设备信息
        deviceMapper.updateByPrimaryKeySelective(device);

        //调用物联网接口，更新云服务设备信息，这里只会更新阿里云那边的昵称，产品分类和设备名称一旦创建不允许再修改
        BatchUpdateDeviceNicknameRequest request = new BatchUpdateDeviceNicknameRequest();
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());
        BatchUpdateDeviceNicknameRequest.BatchUpdateDeviceNicknameRequestDeviceNicknameInfo nicknameInfo = BeanUtil.toBean(deviceDto, BatchUpdateDeviceNicknameRequest.BatchUpdateDeviceNicknameRequestDeviceNicknameInfo.class);
        request.setDeviceNicknameInfo(Lists.newArrayList(nicknameInfo));
        BatchUpdateDeviceNicknameResponse response = null;
        try {
            response = client.batchUpdateDeviceNickname(request);
        } catch (Exception e) {
            throw new BaseException(BasicEnum.IOT_BATCH_UPDATE_DEVICE_ERROR);
        }
        if (!response.getBody().getSuccess()) {
            throw new RuntimeException(response.getBody().getErrorMessage());
        }
    }

    @Override
    public void deleteDevice(DeviceDto deviceDto) {
        //将deviceDto，转换为阿里云的删除设备请求模型
        DeleteDeviceRequest request = BeanUtil.toBean(deviceDto, DeleteDeviceRequest.class);
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());
        //调用阿里云接口删除数据库中的设备信息
        DeleteDeviceResponse response = null;
        try {
            response = client.deleteDevice(request);
        } catch (Exception e) {
            throw new BaseException(BasicEnum.IOT_DELETE_DEVICE_ERROR);
        }
        if (!response.getBody().getSuccess()) {
            throw new RuntimeException(response.getBody().getErrorMessage());
        }

        //删除数据库中的设备信息
        deviceMapper.deleteByIotId(request.getIotId());
    }
}
